BIRT html format report columns width getting shrink while add many columns

Migrateduser

<p><span style="color:rgb(36,39,41);font-family:Arial, 'Helvetica Neue', Helvetica, sans-serif;font-size:15px;">I'm using BIRT version 4_5_0. In html format report the result is displayed in A4 size only. I unable to resize the resultant. If I choose more columns then the columns width getting shrink. But I want that columns width would not get shrink if I add any number of columns and also width should be followed by what size I fixed in API. If we add more columns then horizontal scroll bar will be placed usually. But It's not an issue for me. Is any settings/API available to fix this? Thanks in advance.</span></p>